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The rules should oblige the seller to give the purchaser an operating instrucion of Hafler SR2800CE, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Hafler SR2800CE one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Hafler SR2800CE. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Hafler SR2800CE should contain:
- informations concerning technical data of Hafler SR2800CE
- name of the manufacturer and a year of construction of the Hafler SR2800CE item
- rules of operation, control and maintenance of the Hafler SR2800CE item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Hafler SR2800CE alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Hafler SR2800CE, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Hafler service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Hafler SR2800CE.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Hafler SR2800CE item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
Owner’s Manual Owner’s Manual SR2300 SR2800 SR2300CE SR2800CE SR2300 SR2800 SR2300CE SR2800CE[...]
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Declaration of Conformity Application of Council Directive: 73/23/EEC (low voltage directive) Application of Council Directive: 89/336/EEC (EMC Directive) Standard(s) to which Conformity is Declared: EN55103-1 (Emissions) EN55103-2 (Immunity) EN60065 (Safety) Manufacturer’ s Name: Hafler Manufacturer’ s Address: 546 South Rockford Drive, T empe[...]
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– 1 – T able of Contents DECLARA TION OF CONFORMITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . inside cover SAFETY INFORMA TION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 SPECIFICA [...]
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– 2 – NOTICE - IMPOR T ANT SAFETY INFORMA TION 1. READ INSTRUCTIONS All the safety and operating instructions of your Hafler equip- ment should be read before power is applied to the equipment. 2. RET AIN OWNER'S MANUAL These safety and operating instructions should be retained for future reference. 3. HEED WARNINGS All warnings on the equ[...]
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– 3 – ADVER TENCIA – INFORMACION DE SEGURIDAD IMPOR T ANTE El símbolo de flecha relámpago dentro de un triángulo equilátero, es para alertar al usario de la presencia de “voltajes peligrosos” no aislados en el interior del aparato, los cuales pueden ser de suficiente magnitud para constituir un riesgo de choque eléctrico a las person[...]
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– 4 – ACHTUNG – WICHTIGE SICHERHEITS – INFORMA TIONEN 1. INSTRUKTIONEN LESEN Alle Sicherheits- und Operationshinweise Ihres Hafler Equipments sollten vor der Inbetriebnahme gelesen werden. 2. BETRIEBSANLEITUNG AUFBEWAHREN Bewahren Sie die Bedienungsanleitung sorgf ä ltig auf, damit Sie in dieser auch in Zukunft nachschlagen k ö nnen. 3. W[...]
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– 5 – A TTENTION: INFORMA TIONS IMPORT ANTES DE S É CURIT É 1. LIRE LES INSTRUCTIONS Le mode d'emploi et les mesures de s é curit é de votre é quipement Hafler devraient ê tre consult é s avant sa mise en marche. 2. CONSERVER LE GUIDE DE L'UTILISA TEUR Le mode e'emploi et les mesures de s é curit é devraient ê tre conse[...]
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– 6 – NOT ARE – IMPORT ANTI INFORMAZIONI SULLA SICUREZZA 1. LEGGETE LE ISTRUZIONI T utte le istruzioni riguardanti la sicurezza ed il funzionamento devono essere lette prima di applicare tensione all'apparato. 2. CONSERV A TE IL MANUALE Queste istruzioni riguardanti la sicurezza ed il funzionamento devono essere conservate come riferimen[...]
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– 7 – All measurements taken at Normal Operating Conditions (i.e. 1/8th rated output power) unless noted otherwise. POWER OUTPUT : 1kHz, 1% THD 20-20kHz, 0.2% THD 1kHz, 1% THD 20-20kHz, 0.2% THD Stereo 8 Ω 350W x 2 CH 300W x 2 CH 700W x 2 CH 600W x 2 CH 4 Ω 350W x 2 CH 300W x 2 CH 700W x 2 CH 600W x 2 CH 2 Ω 350W x 2 CH 300W x 2 CH 700W x[...]
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The Hafler SR2300 and SR2800 amplifiers are two rack height, two channel, fan-cooled professional power amplifiers suit- able for use in the most demanding sound reinforcement and commer cial sound installations. These amplifiers offer out- standing efficiency by means of three technologies: high-efficiency TRANS • nova Class-G circuitry , high-f[...]
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– 9 – WHA T ELSE DISTINGUISHES THESE AMPLIFIERS? Constant power into varying impedances. It takes twice as much current to develop a given wattage into 2 Ω as it does into 8 Ω — but only half the voltage. Many amplifiers quote a high output current at 2 Ω but have an unpublished operating time measured in a handful of seconds — before[...]
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– 10 – 1. Recessed Front Panel - Prevents switches and controls from accidentally being adjusted or broken. 2. Power Switch - T urns the amplifier ON and OFF 3. Power LEDs - V erifies that the amplifier channel is ON 4. Status LEDs - Displays the status of the amplifier . The LEDs are as follows: SIGNAL indicates if signal is present; CLIP illu[...]
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– 11 – 1. Recessed Front Panel - Prevents switches and controls from acci- dentally being adjusted or broken. 2. Power Switch - T urns the amplifier ON and OFF 3. Power LEDs - V erifies that the amplifier channel is ON 4. Status LEDs - Displays the status of the amplifier . The LEDs are as follows: SIGNAL indicates if signal is present; CLIP il[...]
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The SR2300/2800 is a standard 2U (2 rack height) 19" rack-mount unit, with both front and rear rack mounting ears. In portable systems, the amplifier must be supported at both the front and rear . COOLING The SR2300/2800 uses forced-air cooling (fan cooling) to remove the heat produced during normal operation. Free air flow at the mounting loc[...]
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– 13 – AUDIO GROUND CHASSIS/FLOA T SWITCH In general, the Audio Ground of each amplifier should be connected to AC mains earth ground A T ONE POINT ONL Y - either through the Chassis (by selecting the "Chassis" position) OR through the input cable (with the switch in the "Float" position, and pin 1 of the XLR or the sleeve o[...]
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– 14 – The amplifier will operate with either a balanced or unbalanced signal source. INPUT The input jacks used on the SR2300/2800 are dual function connectors which accept 1/4" TRS (T ip Ring Sleeve) or male XLR plugs. The amplifier will operate with either a balanced or unbalanced signal, from earth ground or floated source equipment. T[...]
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– 15 – FLOA TED EQUIPMENT Units with a 2-pin mains power cord have no means to connect the audio output ground to earth ground, so usually the audio output ground is floated from earth ground. However , this does not insure that when installed in a system, the audio output ground will remain floated from earth ground. The input cable to this eq[...]
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– 16 – BIAMP/STEREO SWITCH T urn amplifier off before operating this switch. This switch is located on the rear panel and selects either: Stereo mode- 2 input signals and 2 output signals. Biamp mode- 1 input signal and 2 output signals. Biamp mode is useful if a mono signal needs to be distributed to speakers of differing impedance or power le[...]
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– 17 – If the “ Protect ” LED is illuminated for prolonged periods during normal operation, select the next lower value Load Switch setting. Continue until the “ Protect ” LED ceases to illuminate, or lights infrequently . This switch can be safely operated while the amplifier is running. In 70V or 100V mode, the “ Protect ” LED ind[...]
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– 18 – 1. Connect signal from source to both CH A and CH B inputs. 2. Move Biamp/Stereo switch to Stereo input mode. 3. Move Stereo/Mono switch to Stereo mode. 4. Select desired speaker load (8 Ω /4 Ω /2 Ω ) for each channel – CH A & CH B loads do not need to match. 5. Connect appropriate speaker load 8 Ω /4 Ω /2 Ω to 5-way bi[...]
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– 19 – 1. Connect signal from source to CH B input. 2. Biamp/Stereo switch not active (Stereo/Mono switch overrides this switch when in mono/70V/100V mode). 3. Move Stereo/Mono switch to 70V mode. 4. Select 70V load, both channels. 5. Connect parallel array of 70V transformer -equipped speakers across the red terminals of the 5-way binding post[...]
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– 20 – 1. Connect signal from source to CH B input. 2. Biamp/Stereo switch not active (Stereo/Mono switch overrides this switch when in mono/70V/100V mode). 3. Move Stereo/Mono switch to 100V mode. 4. Select 100V load, both channels. 5. Connect parallel array of 100V transformer -equipped speakers across the red terminals of the 5-way binding p[...]
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– 21 – Rockford Corporation (Hafler Division) offers a limited warranty on Hafler products on the following terms: • Length of W arranty 5 years on SR2300 & SR2800 3 years on B-Stock electronics (receipts are required) • What is Covered This warranty applies only to products sold to the original owner (non-transferable). This only appli[...]
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A DIVISION OF ROCKFORD CORPORA TION 546 SOUTH ROCKFORD DRIVE TEMPE, ARIZONA 85281 U.S.A. IN U.S.A. (480) 967-3565 / IN CANADA, (604) 942-1001 IN EUROPE, F AX 8503-9340-14 / IN JAPAN, F AX (81) 559-79-01265 ® MAN-3642-A 5/01 BM Printed in U.S.A.[...]